TRUE OR FALSE 1. AUTOCAD USES TWO COORDINATE SYSTEMS. 2. ABSOLUTE COORDINATES SP

Question

TRUE OR FALSE

1.AUTOCAD USES TWO COORDINATE SYSTEMS.

2.ABSOLUTE COORDINATES SPECIFY X,Y FROM THE ORIGIN.

3.UCS CAN BE MOVED TO ANY DESIRED COORDINATES BUT CANNOT BE ROTATED.

4.RELATIVE COORDINATES ARE PRECEEDED BY THE @ SYMBOL TO LET AUTOCAD KNOW THAT THE X,Y VALUES TO FOLLOW ARE ACTUALLY DELTA X AND DELTA Y VALUES RELATIVE TO THE LAST COORDINATES ENTERED.

5.RELATIVE POLAR COORDINATES @10<45 SPECIFY COORDINATES THAT ARE 10 UNITS AWAY FROM THE LAST COORDINATES ENTERED AND IN A 45 DEGREE DIRECTION.

6.A LEFT TO RIGHT SELECTION WINDOW ONLY SELECTS OBJECTS OBJECTS COMPLETELY ENCLOSED WITHIN THE WINDOW.

7.A RIGHT TO LEFT SELECTION WINDOW IS ALSO CALLED A CROSSING WINDOW BECAUSE IT WILL SELECT OBJECTS THAT ARE CROSSED BY THE WINDOW OUTLINE AS WELL AS OBJECTS FULLY ENCLOSED BY THE WINDOW.

8.DRAWING SPEED DECREASES WHEN OSNAP IS USED, BUT ACCURACY INCREASES DRAMATICALLY.

9.LAYERS CAN BE UNIVERSALLY TURNED OFF SO THEY ARE NOT VISIBLE ANYWHERE, OR THEY CAN BE TURNED OFF IN A SPECIFIED (CURRENT) VIEWPORT SO THEY CANNOT BE SEEN IN SOME VIEWPORTS BUT CAN BE SEEN IN OTHERS.

10.WHEN A BLOCK DEFINITION IS CREATED IN A DRAWING THE BLOCK WILL NOT BE AVAILABLE FOR USE IN OTHER DRAWINGS, UNLESS IT IS CREATED AS A WRITE WBLOCK.

Explanation / Answer

1) True

AutoCad uses two coordinate systems, one is Cartesian which uses x and y distance and other is Polar which uses distance between points and angle.

2) True

Absolute coordinates are x and y on the command line relative to origin (0,0).

4) True

Relative coordinate are prefixed with @ symbol to locate point relative to the last coordinates entered.

5) True

The syntax is @distance<angle hence @10<45, 10 specifies the distance and 45 specifies the angle.

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